What is the Additional Feature ?

Name: A3G4250DTR
Brand: STMicroelectronics
SKU: A3G4250DTR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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STMicroelectronics A3G4250DTR

Part No.:: A3G4250DTR

Manufacturer:: STMicroelectronics

Package:

Datasheet:: A3G4250DTR.pdf

Description:: IC MEMS MOTION SENSOR 16-LGA

In Stock:: 2160

Quantity:: Add To Cart

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A3G4250DTR Typical application Circuitry

A3G4250DTR

The A3G4250DTR is a part of STMicroelectronics' high-performance MEMS motion sensor series, specifically designed as a 3-axis digital gyroscope. This device is tailored for applications requiring angular rate sensing, such as gaming and virtual reality inputs, motion control interfaces, vehicle navigation systems, and stabilization features in cameras and drones. The "DTR" suffix indicates that this component is provided in a tape and reel package, suitable for automated assembly processes, highlighting its utility in mass production environments.

1. Power Supply Voltage (VDD, VDD_IO Pins): The A3G4250DTR operates with a core supply voltage (VDD) typically ranging from 2.4 volts to 3.6 volts, and an interface supply voltage (VDD_IO) that can also range from 2.4 volts to 3.6 volts, allowing it to interface directly with microcontrollers operating at similar voltage levels. Separate power supply connections for the core and I/O provide flexibility in system design, enabling compatibility with various digital systems. It's crucial to provide clean and stable power to these pins, employing appropriate decoupling capacitors to minimize noise.

2. Ground Connection (GND Pin): The ground (GND) pin should be connected to the system's ground plane. A robust ground connection is essential for the gyroscope's accurate performance, ensuring that the sensor operates within its specified noise and accuracy parameters.

3. Output Data (SDA/SCL or SDO, SA0, CS Pin for SPI): The A3G4250DTR supports both I²C and SPI communication interfaces for data output. For I²C mode, SDA (Serial Data) and SCL (Serial Clock) lines are used, with SA0 serving as the address line. In SPI mode, SDO (Serial Data Output), SA0 (as SDO in 3-wire mode), and CS (Chip Select) facilitate communication. These pins allow the gyroscope to transmit angular rate data to the host processor. Configuring these interfaces correctly is crucial for the seamless integration of the gyroscope into the wider system.

4. Self-Test and Interrupts (ST, INT1, INT2 Pins): The A3G4250DTR features a self-test capability, activated through the ST pin, enabling the system to verify the sensor's operational integrity. Additionally, INT1 and INT2 pins are provided for configurable interrupt outputs, which can signal data readiness or other user-defined conditions to the host processor, enhancing the gyroscope's utility in real-time applications.

5. Additional Features (DEN Pin): The Data Enable (DEN) pin serves as a timing reference input, allowing synchronization of the gyroscope data with external events or other sensors in the system. This feature is particularly useful in applications requiring precise timing correlation between different sensory inputs.

Implementing the A3G4250DTR in a circuit requires careful attention to the power supply arrangement, including clean and stable voltages and proper grounding. The choice between I²C and SPI interfaces depends on the specific application's needs, with considerations for speed, simplicity, and connectivity requirements. Additionally, leveraging the self-test and interrupt functionalities can significantly enhance system reliability and responsiveness. The A3G4250DTR's advanced features and flexibility make it a compelling choice for a wide array of motion-sensing applications, delivering accurate angular rate detection in a compact form factor.

A3G4250DTR information

A3G4250DTR Specifications

Package/Case:
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Automotive, AEC-Q100
ProductStatus:
Active
Type:
Digital
Axis:
X (Pitch), Y (Roll), Z (Yaw)
Range°/s:
±245
Sensitivity(LSB/(°/s)):
114
Sensitivity(mV/°/s):
-
Bandwidth:
4.45Hz ~ 483Hz
OutputType:
I²C, SPI
Voltage-Supply:
2.4V ~ 3.6V
Current-Supply:
6.1 mA
Features:
Adjustable Bandwidth, Sleep Mode, Temperature Sensor
OperatingTemperature:
-40°C ~ 85°C (TA)

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6. What is the process for return or replacement of A3G4250DTR?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of A3G4250DTR.

(3)The PartNo is unused and only in the original unpacked packaging.

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